*{
    padding: 0;
    margin: 0;
    box-sizing: border-box;
}
body{
    font-size: 16px;
}
/* 头部样式 */
.header{
    width: 3.75rem;
    height: 0.5rem;
    background-color: deepskyblue;
    display: flex;
    justify-content: space-between;
    padding: 0 0.05rem;
    align-items: center;
}
.header .logo{
    font-weight: 900;
    font-size: 0.22rem;
}
.header input{
    width: 2.4rem;
    height: 0.26rem;
    border: none;
    border-radius: 0.04rem;
    background-color: white;
    outline: none;
    padding: 0 0.1rem;
}

.panel{
    padding: 0.1rem;
}
.panel h3{
    display: flex;
    height: 50px;
    justify-content: space-between;
    align-items: center;
}
.done .list .item{
    filter: grayscale(1);
    text-decoration: line-through;
}
.list .item{
    height: 32px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: #efefef;
    margin-bottom: 0.1rem;
}
.list .item input{
    margin: 0 0.1rem;
    width: 22px;
    height: 22px;
}
.list .item button{
    width: 0.4rem;
    height: 0.20rem;
    line-height: 0.20rem;
    font-size: 0.13rem;
    text-align: center;
    border: none;
    background-color: red;
    margin: 0 0.1rem;
    color: #fff;
}
.item .content{
    flex: 1;
}